code: def normalize(h):
      return (h - h.mean(0)) / (h.std(0) + 1e-5)
  
file_path: dgl/dglgo/dglgo/model/node_encoder/sgc.py
imports: import dgl.function
  import torch.nn
  import torch.nn.functional
  from dgl.base import dgl_warning
  from dgl.nn import SGConv
label_desc: Use image node_id 3 for calling the SGC obj's underlying member method code with example usage: obj.normalize(h) and returns: unknown